diff --git a/pyproject.toml b/pyproject.toml
index 6362431f4..79a14a2a1 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -64,7 +64,7 @@ dev-mkdocs = [
   "mkdocs-literate-nav == 0.6.0",
   "mkdocs-material == 9.2.5",
   "mkdocs-section-index == 0.3.5",
-  "mkdocstrings[python] == 0.22.0",
+  "mkdocstrings[python] == 0.23.0",
   "frequenz-repo-config[lib] == 0.6.1",
 ]
 dev-mypy = [